{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08514_013.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"El Paso, Texas | 1951 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"81"},{"label":"placed","value":"64"},{"label":"unplaced","value":"17"},{"label":"fit sources","value":"georef 46, georef-snap 12, snap:0 4, georef-street 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"19 sheet(s) cut into 43 panels"},{"label":"unplaced pages","value":"p0__1 (tier 1, 31.76732,-106.42971 +/-262m); p0__2 (tier 2, 31.77378,-106.45854 +/-2749m); p101 (tier 2, 31.79153,-106.46293 +/-100m); p105 (tier 4, 31.77858,-106.46125 +/-2955m); p106__2 (tier 1, 31.78016,-106.46162 +/-100m); p108__1 (tier 1, 31.76676,-106.44374 +/-106m); p116__1 (tier 1, 31.77527,-106.47196 +/-100m); p116__3 (tier 1, 31.76691,-106.47427 +/-150m); p117__1 (tier 1, 31.75283,-106.47799 +/-251m); p117__2 (tier 4, 31.77858,-106.46125 +/-2955m); p121__1 (tier 1, 31.78553,-106.47420 +/-451m); p121__2 (tier 1, 31.78069,-106.47307 +/-100m); p81__2 (tier 1, 31.78763,-106.47290 +/-130m); p90__1 (tier 1, 31.77195,-106.46193 +/-198m); p92__2 (tier 1, 31.75593,-106.47686 +/-130m); p95__1 (tier 1, 31.77459,-106.46313 +/-100m); p95__3 (tier 1, 31.78474,-106.46012 +/-245m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0100/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p100","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0100/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0100","type":"ImageService3","width":1671,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"101.4,1581.9 531.0,1590.2 1403.5,1612.3 1396.0,1948.0 1462.0,1947.0 1463.0,1929.0 1481.4,1929.1 1484.2,1901.5 1573.7,1880.6 1590.4,1762.0 1576.7,1234.5 1633.5,930.8 1615.8,187.8 1490.8,111.5 1502.1,1.0 1316.4,1.0 780.0,251.0 119.5,555.3 123.5,613.2 101.4,1581.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0100/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[780.0,251.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.450947,31.786131]}},{"type":"Feature","properties":{"resourceCoords":[818.0,1040.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4508386,31.7846992]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0102/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p102","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0102/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0102","type":"ImageService3","width":1671,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"228.8,224.5 1.0,226.8 1.0,237.8 153.8,499.1 89.0,610.6 147.8,758.3 59.1,1115.3 46.4,1633.9 55.6,1633.9 54.9,1741.1 331.2,1744.5 770.9,1740.5 1489.8,1740.0 1491.3,726.4 1490.0,281.6 1487.0,220.0 772.6,223.9 228.8,224.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0102/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[772.0,1234.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.470647,31.767198]}},{"type":"Feature","properties":{"resourceCoords":[1487.0,220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.470723,31.769419]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0103__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p103 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6644.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0103__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0103","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1262.3,299.3 564.3,308.6 465.6,292.0 379.5,226.9 476.3,98.8 476.3,89.0 153.9,109.8 127.5,157.5 137.9,290.9 86.8,358.6 46.6,623.0 68.1,1132.1 34.3,1560.8 72.9,1627.4 192.8,1626.6 471.2,1627.3 836.9,1626.6 1215.9,1626.6 1576.8,1626.6 1574.6,1435.7 1589.0,1439.0 1547.4,1336.0 1584.7,1228.9 1514.1,1136.8 1587.9,975.1 1528.7,925.6 1566.9,785.4 1551.1,652.7 1622.5,584.5 1585.5,584.9 1576.5,332.6 1262.3,299.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0103__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1204.0,1363.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.47017091184082,31.770928906970678]}},{"type":"Feature","properties":{"resourceCoords":[842.0,505.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.47348746989849,31.77256120419139]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0103__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p103 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.53"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4066.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2578.0"},{"label":"split_canvas_h","value":"1155.2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0103__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0103","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1127.5,275.6 1177.5,227.6 1585.7,269.3 1575.3,58.6 1156.6,23.4 1081.1,23.5 1090.4,276.1 1127.5,275.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0103__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1453.2,270.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.469669,31.774683]}},{"type":"Feature","properties":{"resourceCoords":[1453.2,23.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.470282,31.775375]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0104__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p104 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.60"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"6274.8"},{"label":"split_canvas_w","value":"2037.2"},{"label":"split_canvas_h","value":"1521.2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0104__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0104","type":"ImageService3","width":1671,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"10.7,1800.2 50.0,1800.3 50.5,1825.4 48.8,1925.4 48.7,1931.3 414.8,1936.0 414.8,1927.0 415.7,1737.0 422.4,1717.9 421.4,1593.5 421.2,1579.7 421.4,1569.9 355.6,1570.9 319.7,1571.4 10.7,1800.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0104__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[50.0,1800.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.467363,31.780658]}},{"type":"Feature","properties":{"resourceCoords":[415.2,1800.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.466159,31.781434]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0104__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p104 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6684.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0104__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0104","type":"ImageService3","width":1671,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"97.4,1386.3 191.6,1573.3 281.4,1572.0 503.2,1568.7 507.4,1833.6 509.3,1948.0 697.0,1948.0 819.9,1790.0 1101.2,1792.5 1159.1,1786.3 1224.3,1766.4 1423.7,1665.8 1554.5,1666.6 1528.7,1612.9 1360.7,1263.6 1427.0,1021.8 1529.5,972.0 1549.8,177.1 1541.4,183.5 1511.5,201.6 1491.8,204.9 1377.7,202.2 1377.8,170.3 863.8,199.7 836.7,199.6 98.5,198.0 98.8,443.4 100.2,691.3 100.4,814.0 97.6,1051.5 98.3,1345.2 98.4,1370.9 97.4,1386.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0104__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.46185369517464,31.791066854757897]}},{"type":"Feature","properties":{"resourceCoords":[1671.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.45496087587267,31.791064703204963]}},{"type":"Feature","properties":{"resourceCoords":[1671.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.45496380752157,31.78418281280928]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.46185662682353,31.78418496436222]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0106__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p106 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.93"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6684.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0106__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0106","type":"ImageService3","width":1671,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"123.0,1630.0 158.7,1631.4 156.4,1948.0 242.6,1948.0 413.3,1724.5 524.1,1810.2 566.7,1843.1 1041.2,1222.7 1366.5,1289.4 1670.0,1287.1 1670.0,1057.0 1660.0,1056.0 1661.0,1010.0 1670.0,1009.0 1670.0,94.8 288.6,37.9 193.9,29.8 164.5,14.6 164.5,58.2 124.0,117.0 125.3,350.7 123.2,861.1 120.0,1050.6 123.0,1630.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0106__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[851.0,612.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.462528,31.783766]}},{"type":"Feature","properties":{"resourceCoords":[123.0,1630.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4624658,31.7815473]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0107/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p107","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.22"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0107/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0107","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"144.6,928.9 139.9,927.9 20.0,903.2 20.0,903.0 14.0,902.0 17.9,875.0 18.0,874.7 114.9,893.8 84.7,850.9 54.4,456.4 101.5,92.3 863.8,112.9 1006.1,220.9 1193.8,228.8 1202.9,166.9 1371.0,170.6 1392.2,97.2 1552.5,100.8 1598.8,307.6 1590.5,1760.0 1634.5,1856.3 1584.5,1858.2 1584.8,1822.0 1583.8,1794.2 1280.8,1803.4 1280.8,1809.8 130.4,1910.2 144.6,928.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0107/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.4381418655683,31.774793253007633]}},{"type":"Feature","properties":{"resourceCoords":[1653.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.43143592925178,31.77491882787465]}},{"type":"Feature","properties":{"resourceCoords":[1653.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.4312629903847,31.76814946939649]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.43796892670122,31.768023894529474]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0108__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p108 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6684.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0108__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0108","type":"ImageService3","width":1671,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"86.5,357.3 103.3,365.9 126.3,806.5 280.4,837.7 298.4,947.0 572.8,1001.9 579.1,1163.8 646.8,1175.5 652.4,1424.0 629.0,1533.0 583.8,1536.4 582.2,1735.9 657.4,1755.3 777.0,1861.6 983.8,1900.8 1514.6,1893.7 1560.3,1833.8 1528.8,1513.6 1564.0,1340.7 1580.7,162.7 1579.8,160.9 1531.7,163.5 1531.5,128.3 1530.2,101.5 1238.7,114.6 1238.8,120.8 142.8,232.8 103.0,310.0 202.3,300.3 202.1,345.6 86.5,357.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0108__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[756.0,800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.43479818455005,31.766157027801842]}},{"type":"Feature","properties":{"resourceCoords":[1247.0,800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.43272849863538,31.766170558443193]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0109/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p109","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0109/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0109","type":"ImageService3","width":1641,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"124.0,1728.0 1541.5,1724.1 1538.3,1.0 1492.7,1.0 1505.0,78.4 1091.0,21.5 248.9,33.3 175.3,92.8 173.4,21.7 132.1,22.6 123.3,22.8 122.8,216.2 125.7,981.1 121.3,1230.5 126.2,1485.9 124.0,1728.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0109/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[124.0,734.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4614364,31.7921824]}},{"type":"Feature","properties":{"resourceCoords":[124.0,1728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4614477,31.7903676]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0110/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p110","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0110/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0110","type":"ImageService3","width":1666,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"97.2,58.2 149.7,42.6 1082.4,25.9 1557.0,96.5 1592.1,310.9 1583.1,310.9 1578.8,1752.5 1535.6,1786.8 1477.6,1822.8 1439.0,1829.8 1215.9,1826.6 1215.5,1763.8 210.9,1831.2 157.9,1831.4 146.7,75.8 100.1,76.0 97.2,58.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0110/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[864.0,315.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.456882,31.7930674]}},{"type":"Feature","properties":{"resourceCoords":[1213.0,1323.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4561667,31.791254]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0111/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p111","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0111/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0111","type":"ImageService3","width":1641,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"144.8,106.6 400.4,58.5 1426.0,130.1 1570.7,271.7 1579.5,538.1 1528.5,539.6 1529.1,736.9 1536.5,1517.0 1533.5,1771.3 1121.1,1773.8 1019.2,1726.7 70.2,1731.6 48.9,28.9 94.0,26.0 140.0,23.1 144.8,106.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0111/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[813.0,721.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.46294084319888,31.793170304300457]}},{"type":"Feature","properties":{"resourceCoords":[58.0,1725.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.46455425149325,31.791388049472992]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0112/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p112","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0112/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0112","type":"ImageService3","width":1666,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"850.0,1726.8 110.4,1731.9 90.0,211.0 1040.1,205.2 1142.1,252.2 1555.0,249.2 1561.8,510.0 1561.2,757.2 1567.4,1241.8 1576.0,1731.1 1524.4,1722.4 1101.0,1725.0 850.0,1726.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0112/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1101.0,1725.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4624404,31.788647]}},{"type":"Feature","properties":{"resourceCoords":[90.0,211.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4645288,31.791376]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0113/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p113","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0113/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0113","type":"ImageService3","width":1644,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"140.3,1727.8 144.4,1657.9 143.0,1241.0 142.1,240.7 822.5,237.9 1553.8,237.5 1567.5,237.5 1570.8,738.7 1585.6,738.7 1575.3,1237.4 1597.1,1698.4 1562.1,1698.5 1539.6,1698.5 785.2,1948.0 202.8,1948.0 214.4,1727.7 140.3,1727.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0113/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[826.0,740.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4645229,31.787748]}},{"type":"Feature","properties":{"resourceCoords":[143.0,740.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.465976,31.787755]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0114__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p114 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3732.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0114__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0114","type":"ImageService3","width":1666,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"299.6,1730.8 345.8,1731.2 346.5,1618.8 818.5,1592.0 818.7,1560.2 820.6,981.4 828.8,513.4 830.0,271.4 778.6,261.9 356.0,257.0 119.3,254.5 117.0,760.5 131.9,760.6 115.9,1263.9 132.7,1729.4 299.6,1730.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0114__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[820.0,1268.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4614507,31.7868404]}},{"type":"Feature","properties":{"resourceCoords":[356.0,257.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4624404,31.788647]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0114__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p114 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.67"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3671.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2992.8"},{"label":"split_canvas_h","value":"3990.8"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0114__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0114","type":"ImageService3","width":1666,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1574.7,200.7 1316.8,161.2 1045.7,158.9 1045.3,522.0 1045.7,884.7 1298.5,887.5 1298.8,867.7 1580.7,882.6 1534.0,861.7 1568.6,500.8 1531.1,247.6 1574.7,200.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0114__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1045.7,158.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.466389,31.768797]}},{"type":"Feature","properties":{"resourceCoords":[1045.7,884.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.468798,31.767244]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0114__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p114 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.46"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3702.0"},{"label":"split_canvas_y","value":"3946.8"},{"label":"split_canvas_w","value":"2962.0"},{"label":"split_canvas_h","value":"3849.2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0114__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0114","type":"ImageService3","width":1666,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1191.8,1817.4 1205.0,1948.0 1540.4,1948.0 1575.2,1516.4 1592.9,1490.8 1603.0,1474.2 1174.4,1250.3 1114.9,1348.5 1065.2,1429.7 1066.2,1513.2 1084.0,1512.5 957.7,1831.4 1191.8,1817.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0114__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1118.4,1373.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.46241205673407,31.785971851963456]}},{"type":"Feature","properties":{"resourceCoords":[1559.1,1518.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.46148033598337,31.78615413577408]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0115__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p115 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.59"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3340.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0115__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0115","type":"ImageService3","width":1644,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"66.0,1896.1 504.4,1794.7 499.4,1763.7 735.9,1723.8 733.4,1716.0 834.0,1472.6 834.0,1439.1 834.0,1380.7 784.9,277.8 484.6,153.6 485.0,170.4 405.9,170.2 329.7,122.0 305.9,159.8 201.5,325.7 189.8,344.3 23.5,1008.5 22.0,1051.0 12.5,1052.3 8.8,1066.9 19.0,1068.0 22.0,1082.0 21.0,1112.0 1.0,1113.0 1.0,1128.2 21.0,1131.0 21.0,1171.0 1.0,1172.0 1.0,1185.0 4.0,1173.0 23.0,1173.0 24.0,1237.0 9.0,1242.0 9.0,1252.0 23.0,1256.0 23.0,1381.0 1.0,1383.9 1.0,1392.1 9.0,1393.0 9.0,1409.0 1.0,1409.9 1.0,1486.0 22.0,1487.0 23.0,1529.0 9.0,1531.0 9.0,1547.0 24.0,1552.0 25.0,1599.0 1.0,1600.9 1.0,1621.1 25.0,1624.0 26.0,1726.0 35.0,1737.0 35.0,1777.0 29.0,1778.0 29.0,1789.0 35.0,1789.0 37.0,1794.0 90.0,1795.0 91.0,1840.0 30.0,1839.0 29.0,1845.0 13.0,1845.0 16.0,1804.0 1.0,1803.0 1.0,1910.0 30.0,1911.0 34.0,1927.0 57.0,1931.0 58.0,1938.0 59.0,1930.0 77.0,1930.0 75.0,1948.0 80.0,1948.0 80.8,1941.0 74.3,1921.4 66.0,1896.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0115__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[492.0,850.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4636000554142,31.785037644297073]}},{"type":"Feature","properties":{"resourceCoords":[337.0,103.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.46240143285372,31.78601311082996]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0115__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p115 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3340.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3236.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0115__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0115","type":"ImageService3","width":1644,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1332.1,1383.0 1380.3,1438.4 1452.1,1604.0 1489.1,1434.0 1512.4,1416.3 1535.0,1421.3 1537.2,156.4 1295.9,119.6 1290.9,151.2 835.0,109.6 835.0,136.7 835.0,1249.0 844.0,1250.0 844.0,1279.0 835.0,1280.0 835.0,1369.7 835.4,1374.0 865.1,1369.8 1282.9,1608.2 1282.0,1374.0 1332.1,1383.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0115__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1282.0,645.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.466017,31.783412]}},{"type":"Feature","properties":{"resourceCoords":[1282.0,1374.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.467013,31.782393]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0116__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p116 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2701.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3958.8"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0116__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0116","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1502.9,1665.2 1522.7,1524.0 1531.8,1166.0 1518.6,662.0 1514.0,165.0 782.4,171.9 785.8,232.8 789.7,672.3 794.3,1674.0 1502.9,1665.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0116__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1514.0,165.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.469478,31.770218]}},{"type":"Feature","properties":{"resourceCoords":[794.3,1674.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.468798,31.767244]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0118/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p118","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0118/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0118","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"187.8,974.6 190.7,397.7 189.1,111.8 630.1,111.3 1526.0,116.0 1525.4,460.7 1593.0,458.3 1612.5,439.5 1571.3,952.5 1634.1,1386.8 1627.9,1752.8 1574.9,1829.2 1577.5,1908.8 1521.9,1868.1 1522.0,1839.1 929.9,1836.5 929.0,1948.0 899.0,1948.0 883.3,1948.0 882.5,1835.3 184.6,1834.3 186.6,1261.9 187.8,974.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0118/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[189.0,686.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.452356,31.782678]}},{"type":"Feature","properties":{"resourceCoords":[1526.0,116.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.449568,31.783677]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0119/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p119","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0119/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0119","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"26.4,45.7 87.2,100.7 30.0,1375.4 86.2,1696.0 543.1,1890.6 1052.1,1892.3 1118.9,1948.0 1425.0,1948.0 1426.0,1938.0 1443.0,1938.0 1444.0,1948.0 1471.0,1948.0 1472.0,1939.0 1488.0,1939.0 1497.0,1934.0 1502.1,1934.3 1592.3,1852.5 1615.6,190.5 1639.8,142.3 1590.2,70.1 1594.0,44.0 1105.5,42.5 105.6,36.8 1.0,36.0 1.0,45.0 26.4,45.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0119/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.4712878,31.7658947]}},{"type":"Feature","properties":{"resourceCoords":[1652.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.4691664,31.7634928]}},{"type":"Feature","properties":{"resourceCoords":[1652.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.47249930000001,31.7613649]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.4746207,31.7637668]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0120/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p120","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0120/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0120","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"113.3,1579.2 140.0,1583.0 139.9,1560.7 138.4,1084.4 138.0,64.0 415.8,65.9 857.7,59.5 1580.4,55.2 1580.4,558.3 1619.7,558.3 1596.1,1119.5 1543.9,1240.0 1608.1,1344.2 1592.7,1822.8 1317.5,1901.6 149.6,1874.7 63.1,1838.8 66.5,1643.4 39.9,1630.3 113.3,1579.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0120/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[140.0,1583.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.469316,31.7635291]}},{"type":"Feature","properties":{"resourceCoords":[138.0,64.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.471215,31.765701]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0121__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p121 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.56"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3156.0"},{"label":"split_canvas_y","value":"2125.6"},{"label":"split_canvas_w","value":"3464.0"},{"label":"split_canvas_h","value":"5670.4"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0121__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0121","type":"ImageService3","width":1655,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1557.0,1928.8 1639.7,1869.1 1618.0,1789.0 1615.7,1354.2 1616.5,1115.2 1618.7,840.4 1618.3,581.1 1362.5,581.5 1232.0,627.0 1252.0,745.9 1222.5,907.3 1096.0,950.4 1072.8,923.7 1076.8,946.7 865.7,959.7 860.1,1259.2 815.0,1405.5 870.5,1646.9 837.4,1854.5 987.7,1930.2 1264.1,1905.2 1557.0,1928.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0121__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1610.0,1356.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.47361575130572,31.779624996039626]}},{"type":"Feature","properties":{"resourceCoords":[1610.0,1612.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4736232035512,31.778725773274424]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0122/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p122","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0122/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0122","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"43.3,1525.0 57.7,1525.9 46.3,1856.8 89.5,1916.6 825.3,1927.2 928.1,1926.8 1607.0,1886.2 1628.3,1868.7 1543.2,1634.8 1503.5,1666.3 1653.5,1318.3 1466.9,1081.1 1448.7,1059.3 1462.5,1048.3 1636.4,708.9 1592.4,651.7 1576.5,632.4 1545.9,656.5 1668.0,199.1 1668.0,163.4 1666.3,161.5 1649.1,141.9 1575.0,236.2 1483.2,7.7 1474.8,1.0 1468.9,1.0 1439.5,29.3 1083.4,36.3 1078.8,31.0 80.0,43.8 82.7,190.7 87.2,447.2 89.4,719.1 92.3,955.6 101.5,1385.8 124.2,1464.7 43.3,1525.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0122/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1607.0,1259.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.467296,31.778431]}},{"type":"Feature","properties":{"resourceCoords":[87.0,441.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.473565,31.781459]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0123/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p123","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0123/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0123","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1167.0,54.5 1167.1,82.3 1167.2,98.0 1535.0,180.0 1561.5,179.9 1561.0,391.9 1559.0,889.0 1557.0,1881.3 846.9,1882.7 142.2,1884.7 162.9,1744.8 174.8,1389.2 165.6,888.6 165.0,395.0 857.0,393.7 852.2,27.8 879.6,33.9 1167.0,54.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0123/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[165.0,395.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.469478,31.770218]}},{"type":"Feature","properties":{"resourceCoords":[1559.0,889.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.46645,31.771027]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0124/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p124","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0124/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0124","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1367.8,98.0 1406.0,165.8 1384.0,290.6 1146.0,280.6 1125.1,586.8 1167.1,665.9 1280.6,695.4 1414.1,921.3 1568.9,905.3 1577.2,1041.3 1521.6,1219.2 1522.4,1362.7 1528.8,1365.1 1540.6,1452.9 1493.6,1493.2 1426.5,1519.5 1381.8,1529.1 1340.8,1530.8 1103.5,1534.9 1021.4,1533.7 862.0,1723.7 862.1,1788.8 597.5,1889.8 567.0,1889.4 566.5,1529.8 567.5,1168.8 282.4,1169.8 282.9,808.5 283.8,88.3 701.1,89.3 852.6,90.3 852.6,103.8 1008.4,93.0 1009.7,82.6 1049.0,106.3 1050.0,92.6 1050.2,90.1 1200.2,105.9 1200.8,84.6 1367.8,98.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0124/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[568.0,809.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4554788,31.771348]}},{"type":"Feature","properties":{"resourceCoords":[568.0,89.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4524546,31.7713332]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0125/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p125","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.12"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0125/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0125","type":"ImageService3","width":1662,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"19.3,157.4 19.4,153.7 427.2,118.5 426.5,149.4 608.5,151.8 632.1,123.6 849.0,118.4 846.0,142.3 1532.4,111.2 1531.8,607.0 1521.8,602.9 1481.8,730.9 1466.0,1699.3 1504.5,1746.3 1507.7,1828.0 1550.4,1836.1 1464.8,1835.4 1456.8,1866.5 1343.6,1908.3 1122.1,1883.1 340.0,1903.8 87.4,1874.5 60.5,1839.3 97.7,1104.5 78.2,170.8 19.2,165.8 19.3,157.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0125/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[64.0,107.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4496839,31.7694131]}},{"type":"Feature","properties":{"resourceCoords":[1476.0,730.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4439027,31.7672932]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0070/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p70","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0070/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0070","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"104.7,399.9 106.6,903.0 112.6,1907.2 1539.4,1894.2 1539.9,1389.5 1532.9,386.6 1532.2,126.0 1532.2,113.9 818.9,121.0 816.2,1.0 721.5,1.0 609.6,139.7 102.6,33.9 103.2,149.3 104.7,399.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0070/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[825.0,392.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.46587,31.772538]}},{"type":"Feature","properties":{"resourceCoords":[110.0,1405.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.465811,31.770303]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0071/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p71","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0071/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0071","type":"ImageService3","width":1646,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"125.5,171.8 472.1,60.8 488.2,73.1 584.3,24.9 1525.1,32.5 1569.3,85.2 1573.5,643.0 1645.0,697.8 1645.0,758.8 1393.9,1093.0 1330.1,1189.8 1365.4,1216.4 1329.5,1264.0 1470.2,1375.8 1073.0,1773.5 1049.5,1755.2 954.9,1753.7 878.1,1854.0 832.4,1913.9 102.0,1915.8 111.3,1412.8 121.9,413.5 125.5,171.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0071/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[116.0,912.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.464034,31.772583]}},{"type":"Feature","properties":{"resourceCoords":[825.0,912.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.462837,31.773364]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0072__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p72 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.95"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4166.0"},{"label":"split_canvas_w","value":"6608.0"},{"label":"split_canvas_h","value":"3630.0"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0072__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0072","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1488.5,1900.4 1486.0,1351.3 1482.5,1125.8 1398.0,1041.5 848.0,1041.5 289.5,1041.5 70.2,1148.4 72.7,1906.3 374.6,1905.7 1488.5,1900.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0072__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1486.0,1351.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4584087,31.7827024]}},{"type":"Feature","properties":{"resourceCoords":[71.0,1351.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4614487,31.7827322]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0072__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p72 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6608.0"},{"label":"split_canvas_h","value":"4166.0"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0072__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0072","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"202.0,1013.5 267.9,1015.9 1143.0,1000.3 1211.5,1031.2 1274.0,1022.7 1460.8,1020.7 1627.5,800.7 1626.0,776.6 1632.2,680.6 1632.4,676.9 1631.0,676.7 1631.0,607.7 1635.1,607.5 1635.5,597.0 1635.0,591.9 1631.0,591.7 1629.0,542.8 1607.0,540.8 1606.0,523.8 1614.0,494.8 1624.0,495.3 1623.6,491.6 1651.0,455.2 1651.0,313.9 1642.0,312.9 1641.2,258.6 1639.1,247.4 1635.0,241.9 1631.0,201.9 1633.0,37.0 1628.9,33.8 1617.2,33.4 941.8,44.7 202.0,53.0 202.0,1013.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0072__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[202.0,1013.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4636497,31.7785815]}},{"type":"Feature","properties":{"resourceCoords":[202.0,53.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.464874,31.779986]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0073/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p73","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0073/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0073","type":"ImageService3","width":1646,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"20.9,664.0 1.0,685.4 1.0,686.2 47.9,675.6 67.2,698.5 44.3,1201.3 73.4,1492.7 53.3,1868.8 84.1,1883.9 87.5,1929.5 90.8,1929.5 95.4,1929.4 95.8,1848.9 835.6,1845.9 835.9,1859.1 1200.7,1865.5 1565.8,1864.4 1626.7,1864.3 1626.2,1855.9 1592.2,1566.0 1576.3,1566.1 1568.5,1267.9 1570.8,961.3 1562.0,961.9 1564.3,675.6 1561.8,675.6 1566.0,528.9 1565.8,241.7 1565.0,96.5 1565.0,94.2 1516.2,96.5 833.3,97.3 254.7,97.9 97.8,97.6 70.7,97.5 1.0,97.1 1.0,283.1 13.0,284.0 13.0,301.0 1.0,301.9 1.0,336.6 37.8,375.4 97.9,462.2 97.5,605.0 20.9,664.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0073/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1201.0,1563.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4569432908568,31.77653592587944]}},{"type":"Feature","properties":{"resourceCoords":[1201.0,1861.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.45695286166166,31.77548819950083]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0074__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p74 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6608.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0074__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0074","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1572.1,1828.7 1571.8,1800.7 1495.2,1800.7 1496.0,1602.8 1555.7,1549.5 1561.1,1549.5 1526.7,505.1 1498.9,484.8 1498.9,470.2 1202.9,469.2 1202.5,525.0 1179.7,525.0 1179.2,468.6 830.3,468.4 831.1,182.3 831.5,56.2 466.9,36.0 466.9,39.7 104.9,51.9 104.7,179.3 105.1,323.6 104.5,608.8 99.9,754.5 102.3,754.5 99.3,1038.8 108.0,1038.2 104.8,1342.8 111.8,1639.0 127.5,1639.0 160.5,1926.9 826.2,1939.7 826.2,1937.5 826.4,1934.2 1189.2,1934.8 1189.0,1920.0 1339.6,1926.1 1494.5,1926.8 1495.0,1828.2 1572.1,1828.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0074__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1189.0,1920.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4509111,31.7755012]}},{"type":"Feature","properties":{"resourceCoords":[1496.0,1642.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.449627,31.77648]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0074__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p74 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.68"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3394.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1880.0"},{"label":"split_canvas_h","value":"1712.0"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0074__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0074","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"867.9,422.0 1317.5,413.7 1317.5,410.6 1317.5,406.5 1247.5,407.0 1246.7,1.0 1203.9,1.0 905.0,165.8 957.1,165.2 878.7,409.0 850.3,409.9 867.9,422.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0074__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1247.5,162.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.466659,31.777707]}},{"type":"Feature","properties":{"resourceCoords":[1247.5,407.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4660675,31.7770276]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0075/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p75","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0075/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0075","type":"ImageService3","width":1646,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"18.1,682.9 60.8,682.7 103.8,426.8 94.3,295.6 109.5,295.5 110.8,139.7 1542.2,137.4 1542.6,162.9 1538.9,437.0 1538.0,716.0 1539.5,1268.8 1538.5,1880.5 829.8,1879.2 536.5,1878.7 382.0,1878.4 223.4,1878.2 293.1,1322.9 114.3,1320.8 113.5,1261.5 69.5,1262.2 60.5,1147.0 54.1,729.2 18.1,682.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0075/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[118.0,1878.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4615274,31.772402]}},{"type":"Feature","properties":{"resourceCoords":[1538.0,716.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.458479,31.7745]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0076/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p76","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0076/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0076","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"813.9,1746.0 107.9,1750.5 103.9,1136.5 97.9,581.6 96.5,301.5 97.9,26.4 806.5,34.9 1515.9,28.8 1521.3,572.0 1526.8,1741.5 813.9,1746.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0076/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[109.0,1170.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.45847205355534,31.773434741138246]}},{"type":"Feature","properties":{"resourceCoords":[1522.0,1754.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.45548028091785,31.772343380389312]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0077/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p77","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0077/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0077","type":"ImageService3","width":1646,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"117.8,1752.2 121.5,570.2 120.4,21.3 239.7,21.4 276.2,5.5 1554.5,29.1 1554.0,298.4 1553.5,1754.2 117.8,1752.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0077/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[119.0,1189.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4554607,31.7733747]}},{"type":"Feature","properties":{"resourceCoords":[1554.0,1189.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4524372,31.7733603]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0078/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p78","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0078/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0078","type":"ImageService3","width":1651,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"137.6,341.1 137.9,68.4 138.3,61.9 853.0,62.0 852.5,32.8 1149.3,44.4 1337.4,44.8 1441.4,617.0 1449.7,632.8 1449.5,898.5 1441.1,1227.0 1448.7,1508.1 1447.8,1792.7 851.0,1791.0 138.3,1792.2 137.6,341.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0078/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[851.0,614.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4509224,31.7744568]}},{"type":"Feature","properties":{"resourceCoords":[851.0,1791.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4509386,31.7723417]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0079/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p79","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"23"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0079/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0079","type":"ImageService3","width":1646,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"145.9,1911.7 89.4,1732.5 105.5,1720.0 107.9,1330.5 121.0,1330.7 125.2,1039.3 127.8,893.4 126.1,749.2 133.0,580.9 134.9,459.8 135.1,444.7 131.0,436.5 82.1,142.3 142.1,143.4 144.0,44.2 144.0,43.9 600.4,53.0 601.0,53.0 608.4,72.5 1239.5,85.6 1381.2,171.5 1604.1,215.8 1589.2,459.1 1547.6,747.7 1555.2,799.3 1553.9,1008.1 1570.7,1008.4 1569.3,1876.5 890.0,1907.1 893.1,1883.5 678.5,1888.5 655.1,1916.5 475.0,1914.0 475.7,1883.4 145.9,1911.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0079/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[879.0,1051.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4465689,31.7723134]}},{"type":"Feature","properties":{"resourceCoords":[475.0,1914.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4482037,31.7692765]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0080/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p80","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0080/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0080","type":"ImageService3","width":1646,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1089.3,1847.3 840.1,1758.2 644.1,1759.3 636.9,1819.7 426.1,1881.2 154.5,1845.0 146.2,1948.0 103.6,1948.0 135.1,1648.6 102.8,1646.2 150.1,1567.8 129.3,1565.2 107.8,1254.2 134.8,1254.3 136.8,952.1 138.9,119.3 854.6,118.9 1454.0,121.2 1453.8,692.0 1428.2,691.9 1434.4,1454.9 1403.1,1479.7 1518.7,1829.2 1374.4,1843.6 1374.6,1867.3 1337.2,1864.7 1089.3,1847.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0080/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.452736,31.7725629]}},{"type":"Feature","properties":{"resourceCoords":[1646.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.4492713,31.7725466]}},{"type":"Feature","properties":{"resourceCoords":[1646.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.4492941,31.769058799999996]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.4527588,31.7690751]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0081__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p81 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6584.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0081__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0081","type":"ImageService3","width":1646,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1588.0,1880.0 1587.7,1380.7 1585.5,883.7 1587.5,106.1 1533.7,117.9 1466.7,36.6 1170.7,119.2 896.4,60.9 825.0,824.2 714.0,883.9 92.0,945.4 129.3,1041.6 63.0,1138.1 80.3,1864.6 506.0,1879.1 882.8,1878.1 1588.0,1880.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0081__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[180.0,1880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.470484,31.791394]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,1880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.467468,31.791385]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0082/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p82","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0082/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0082","type":"ImageService3","width":1646,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"386.4,30.4 1451.7,50.0 1526.9,117.3 1530.8,199.2 1440.1,204.2 1447.1,1899.7 771.4,1898.2 57.6,1898.4 57.6,1392.8 55.8,889.5 58.5,102.0 386.4,30.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0082/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[772.0,892.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.465951,31.793191]}},{"type":"Feature","properties":{"resourceCoords":[1445.0,1398.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4645303,31.792278]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0083/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p83","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0083/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0083","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"892.0,1723.0 178.3,1711.0 178.9,1559.0 108.5,1513.9 121.1,1513.4 75.8,1310.2 128.4,994.0 68.2,941.4 30.3,519.8 82.8,189.1 515.2,205.1 898.0,205.2 1614.5,209.3 1610.2,1220.4 1609.0,1727.7 892.0,1723.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0083/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[892.0,1723.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4689928,31.788673]}},{"type":"Feature","properties":{"resourceCoords":[184.0,205.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.470484,31.791394]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0084/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p84","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0084/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0084","type":"ImageService3","width":1646,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"54.9,1737.5 54.3,1230.6 55.1,220.4 770.7,219.3 1448.0,220.0 1456.0,1736.5 770.0,1738.0 54.9,1737.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0084/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[770.0,1738.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.465972,31.788658]}},{"type":"Feature","properties":{"resourceCoords":[1448.0,220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4645288,31.791376]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0085/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p85","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0085/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0085","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"900.5,1728.5 1611.3,1725.6 1608.4,222.7 902.0,215.0 901.7,64.5 831.7,20.2 278.1,45.6 114.5,98.8 70.4,181.0 50.5,583.5 141.3,799.0 142.6,1007.6 69.5,1231.6 65.0,1686.2 1.0,1682.9 1.0,1705.1 900.5,1716.7 900.5,1728.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0085/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[902.0,1228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.470511,31.786861]}},{"type":"Feature","properties":{"resourceCoords":[902.0,215.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4704974,31.788695]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0086/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p86","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0086/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0086","type":"ImageService3","width":1646,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"740.3,1778.2 743.5,1742.7 38.5,1741.0 38.0,230.3 751.5,232.0 1463.6,232.0 1463.6,1236.3 1464.6,1654.9 1460.4,1725.0 1534.8,1725.0 1524.1,1924.4 1388.0,1931.0 1387.0,1948.0 1381.0,1948.0 1380.0,1937.0 1364.0,1937.0 1362.0,1948.0 920.6,1948.0 798.8,1809.2 740.3,1778.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0086/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[751.0,1238.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.467492,31.786852]}},{"type":"Feature","properties":{"resourceCoords":[751.0,735.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.467487,31.787758]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0087/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p87","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0087/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0087","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"186.1,1920.5 187.4,1708.9 137.2,1708.5 68.6,1389.4 136.1,1225.2 136.6,874.3 54.8,672.5 130.3,127.5 714.8,162.0 714.6,184.3 1617.0,203.0 1616.9,214.8 1610.7,1214.5 1603.6,1214.5 1581.5,1717.5 1600.4,1717.7 1576.9,1936.8 186.1,1920.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0087/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[902.0,1209.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.472037,31.784157]}},{"type":"Feature","properties":{"resourceCoords":[191.0,1209.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.473548,31.784155]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0088/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p88","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0088/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0088","type":"ImageService3","width":1649,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1462.9,1784.2 1407.5,1854.8 1345.8,1916.1 649.7,1932.8 640.5,1922.5 71.2,1932.2 88.3,1713.6 69.5,1714.0 77.0,1213.2 84.0,1213.0 61.5,218.8 770.0,201.0 1469.1,186.8 1466.8,222.2 1525.5,251.6 1648.0,384.8 1648.0,581.0 1638.0,582.0 1640.0,626.0 1648.0,626.0 1648.0,900.0 1636.0,901.0 1634.0,920.0 1577.0,922.0 1574.0,950.0 1577.0,970.0 1634.0,969.0 1634.0,983.0 1628.0,985.0 1627.0,1085.0 1632.0,1092.0 1627.0,1093.0 1626.0,1143.0 1632.0,1144.0 1633.0,1149.0 1628.0,1153.0 1628.0,1199.0 1648.0,1200.0 1633.0,1204.0 1635.0,1340.0 1648.0,1340.0 1648.0,1355.0 1633.0,1356.0 1634.0,1413.0 1648.0,1414.0 1648.0,1436.0 1634.0,1437.0 1634.0,1487.0 1648.0,1490.0 1634.0,1491.0 1634.0,1524.0 1648.0,1526.0 1648.0,1548.7 1634.5,1566.0 1634.0,1566.0 1634.0,1566.5 1482.1,1759.9 1488.5,1766.2 1462.9,1784.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0088/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[84.0,1213.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.470531,31.784149]}},{"type":"Feature","properties":{"resourceCoords":[770.0,201.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4690069,31.785952]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0089__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p89 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.58"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6584.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0089__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0089","type":"ImageService3","width":1646,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"53.1,551.6 69.8,551.7 75.8,1897.6 123.1,1916.6 1499.5,1885.8 1528.1,1900.2 1645.0,1887.8 1645.0,1854.5 1645.0,1841.9 1544.5,1852.3 1584.4,1773.9 1574.3,1775.0 1569.7,811.5 1565.1,810.6 1441.9,787.6 1445.3,760.8 1540.1,777.6 1509.8,736.1 1510.0,738.4 1262.2,726.3 907.9,660.6 854.6,607.1 854.8,549.9 656.6,522.7 630.0,492.1 630.9,130.0 352.8,45.4 82.1,56.1 83.7,27.8 82.0,27.8 45.3,293.7 53.1,344.8 53.1,551.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0089__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1167.0,1279.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.439144,31.7699202]}},{"type":"Feature","properties":{"resourceCoords":[50.0,321.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4438036,31.7733]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0089__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p89 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2684.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3900.0"},{"label":"split_canvas_h","value":"2958.4"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0089__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0089","type":"ImageService3","width":1646,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1645.0,483.9 1587.1,77.7 880.7,19.7 880.6,16.4 869.8,16.7 753.3,121.7 754.6,508.6 905.6,507.3 906.0,531.8 906.6,562.1 1645.0,560.8 1645.0,496.6 1645.0,483.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0089__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[671.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.44979662682194,31.776841030711566]}},{"type":"Feature","properties":{"resourceCoords":[1646.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.447735456849,31.776818345787127]}},{"type":"Feature","properties":{"resourceCoords":[1646.0,739.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.44775556782568,31.77547906330064]}},{"type":"Feature","properties":{"resourceCoords":[671.0,739.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.44981673779861,31.77550174822508]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0090__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p90 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.92"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4880.4"},{"label":"split_canvas_w","value":"1717.2"},{"label":"split_canvas_h","value":"2915.6"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0090__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0090","type":"ImageService3","width":1649,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"398.8,1912.0 399.5,1796.7 381.7,1249.3 48.0,1268.6 22.9,1821.5 1.0,1820.0 1.0,1864.1 371.6,1948.0 398.6,1948.0 398.8,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0090__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1220.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.46896817043934,31.77267660141805]}},{"type":"Feature","properties":{"resourceCoords":[429.3,1220.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.46824225917982,31.773144224419966]}},{"type":"Feature","properties":{"resourceCoords":[429.3,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.46730752085966,31.7720955762016]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.46803343211919,31.771627953199683]}},{"type":"Feature","properties":{"resourceCoords":[400.3,1657.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.467731,31.772484]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0090__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p90 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.90"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1673.2"},{"label":"split_canvas_y","value":"4880.4"},{"label":"split_canvas_w","value":"4922.8"},{"label":"split_canvas_h","value":"2915.6"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0090__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0090","type":"ImageService3","width":1649,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"487.1,1749.8 580.9,1751.3 581.6,1872.2 1294.0,1876.7 1293.8,1888.8 1293.6,1906.8 1637.7,1796.2 1637.8,1792.8 1532.4,1712.1 1609.3,1488.7 1135.6,1333.0 554.6,1292.9 487.1,1749.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0090__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[418.3,1220.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.46733941218037,31.773679597681863]}},{"type":"Feature","properties":{"resourceCoords":[1649.0,1220.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.46526424040532,31.77503013573242]}},{"type":"Feature","properties":{"resourceCoords":[1649.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.46432343404324,31.773985416519526]}},{"type":"Feature","properties":{"resourceCoords":[418.3,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.46639860581828,31.77263487846897]}},{"type":"Feature","properties":{"resourceCoords":[580.2,1641.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.466523,31.773254]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0091/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p91","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0091/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0091","type":"ImageService3","width":1646,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"628.1,1870.7 636.5,1861.5 903.9,1884.5 1078.8,1853.1 1454.5,1909.0 1550.0,1837.7 1501.1,1801.4 1485.5,1713.9 1508.8,1503.7 1592.0,1404.2 1591.1,1086.0 1532.2,1037.5 1591.7,906.3 1591.7,446.4 1517.9,333.1 1474.3,410.9 1412.0,414.9 1342.0,395.6 1300.2,376.2 1266.2,352.8 1072.4,212.4 1007.0,161.8 763.5,218.5 724.3,271.0 449.9,192.3 425.7,173.6 230.6,26.0 197.1,26.5 176.1,26.8 105.7,120.2 58.1,183.5 1.0,259.3 1.0,309.7 51.9,347.3 82.8,370.2 89.8,743.0 95.5,1468.9 98.6,1834.5 369.8,1833.9 628.1,1870.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0091/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1419.0,761.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4595159409339,31.76730619957565]}},{"type":"Feature","properties":{"resourceCoords":[95.0,1475.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.46519444930776,31.7695664714812]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0092__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p92 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.64"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6596.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0092__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0092","type":"ImageService3","width":1649,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"53.5,1603.8 103.7,1769.2 491.0,1788.9 746.5,1877.3 1041.4,1765.5 1082.3,786.7 1106.8,778.5 1106.7,768.0 1138.1,768.0 1275.9,721.8 1587.1,733.3 1597.7,75.5 1003.5,37.8 742.1,167.9 89.8,199.4 70.3,227.9 53.5,1603.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0092__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1068.0,720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.477669,31.7567423]}},{"type":"Feature","properties":{"resourceCoords":[65.0,720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4796907,31.7562006]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0093/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p93","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0093/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0093","type":"ImageService3","width":1650,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"155.7,1043.5 160.2,446.2 159.0,390.0 193.9,390.1 882.0,80.2 881.0,133.8 880.8,145.4 1598.3,156.4 1597.2,340.4 1595.0,900.6 1581.9,1874.7 1431.2,1879.0 280.3,1884.0 280.5,1870.2 145.9,1869.3 155.3,1086.8 76.7,1085.7 155.7,1043.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0093/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[874.0,897.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.466089,31.779207]}},{"type":"Feature","properties":{"resourceCoords":[159.0,390.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.467938,31.779153]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0094/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p94","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0094/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0094","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"199.2,1148.7 199.1,777.4 211.9,739.9 208.8,496.8 208.7,493.2 1457.0,198.2 1668.0,307.1 1668.0,344.0 1668.0,350.0 1628.2,407.9 1629.8,637.6 1628.2,1139.4 1625.2,1325.7 1628.7,1895.3 947.5,1902.7 201.4,1906.6 199.4,1349.3 199.2,1148.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0094/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[200.0,901.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.46615693541993,31.781435324828962]}},{"type":"Feature","properties":{"resourceCoords":[200.0,1895.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.46489112437281,31.780001172513654]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0095__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p95 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.69"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3028.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3664.0"},{"label":"split_canvas_h","value":"1474.8"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0095__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0095","type":"ImageService3","width":1673,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1202.3,323.6 1553.3,324.3 1566.5,324.3 1565.0,37.0 1264.8,37.0 1204.0,37.0 840.2,37.0 806.8,37.0 840.2,80.1 839.7,324.7 1202.3,323.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0095__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1204.0,37.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.458491,31.772384]}},{"type":"Feature","properties":{"resourceCoords":[1565.0,37.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4569876,31.7723751]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0096/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p96","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0096/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0096","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"87.3,1942.3 958.6,1942.4 959.0,1939.0 978.0,1938.0 1131.0,1939.0 1131.4,1942.4 1420.5,1942.4 1421.0,1938.0 1515.8,1938.0 1515.8,1662.0 1514.0,1382.0 1514.0,814.0 1508.0,483.6 1668.0,403.8 1668.0,398.1 1668.0,391.7 1546.0,140.2 1490.1,25.0 1435.0,24.0 1434.0,5.0 1437.2,1.0 1221.3,1.0 836.4,199.8 709.6,239.5 596.9,252.4 49.1,250.9 1.0,314.0 1.0,1071.5 85.2,1156.2 87.5,1385.2 87.3,1942.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0096/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1514.0,814.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.455379,31.783714]}},{"type":"Feature","properties":{"resourceCoords":[1514.0,1382.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4553869,31.7826912]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0097/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p97","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0097/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0097","type":"ImageService3","width":1645,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"410.2,1864.1 156.8,1864.5 157.9,1578.5 158.9,1310.0 161.7,562.3 479.1,196.9 859.1,195.0 1561.4,192.6 1567.0,752.0 1565.1,1306.7 1564.0,1581.2 1558.5,1813.6 1545.5,1863.1 861.8,1864.6 507.5,1864.0 408.1,1868.3 410.2,1864.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0097/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[161.0,752.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4560673,31.7862905]}},{"type":"Feature","properties":{"resourceCoords":[1567.0,752.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.453343,31.787406]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0098__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p98 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.61"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5746.8"},{"label":"split_canvas_w","value":"2925.6"},{"label":"split_canvas_h","value":"2049.2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0098__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0098","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"246.8,1931.8 589.3,1775.2 642.1,1750.3 642.0,1750.2 577.1,1748.9 530.9,1648.9 146.2,1659.3 135.1,1664.4 194.3,1794.5 242.2,1905.5 246.8,1931.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0098__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[135.1,1664.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.452829,31.786491]}},{"type":"Feature","properties":{"resourceCoords":[589.3,1775.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.450947,31.786131]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0098__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p98 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.78"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6676.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0098__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0098","type":"ImageService3","width":1669,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1216.9,1948.0 1267.0,1948.0 1282.7,1948.0 1503.5,1840.6 1566.5,1839.6 1597.7,1839.1 1623.1,1542.1 1600.0,559.4 1622.7,186.1 1565.5,68.1 1497.0,45.2 998.1,72.0 883.8,41.6 548.7,76.0 384.9,38.0 179.2,57.1 173.1,17.2 168.5,17.2 159.4,747.0 145.7,757.6 125.6,1550.2 200.3,1513.8 526.3,1355.2 654.3,1614.0 777.8,1872.4 788.6,1867.1 1169.3,1849.6 1216.9,1948.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0098__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[974.0,1449.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.45201076182947,31.78799020531913]}},{"type":"Feature","properties":{"resourceCoords":[1570.0,1190.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.4495270935197,31.788906850755815]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0099__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p99 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6612.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0099__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0099","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"153.9,1868.7 153.7,1898.3 862.8,1879.1 862.9,1871.8 1576.5,1915.9 1576.9,1881.6 1582.9,1316.9 1582.9,1037.0 1590.9,63.4 1586.0,5.3 963.2,305.9 639.9,460.3 551.3,503.0 551.1,507.8 541.6,507.6 320.4,614.2 155.7,694.8 158.9,1023.9 154.4,1589.7 153.9,1868.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0099__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1646.0,1594.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.45221500749977,31.78268741585434]}},{"type":"Feature","properties":{"resourceCoords":[160.0,667.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.45537784515199,31.78435911352447]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0099__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"El Paso, Texas | 1951 | sanborn08514_013 p99 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.62"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2268.0"},{"label":"split_canvas_h","value":"2031.2"}],"created":"2026-10-18T19:04:02Z","modified":"2026-10-18T19:04:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0099__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0099","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"33.5,31.1 33.3,418.0 379.1,434.1 483.9,506.5 539.0,445.6 552.6,463.1 562.1,158.6 562.2,158.3 562.2,158.2 557.0,163.6 517.4,49.5 33.5,31.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034em:g4034em_g08514195101A:08514_01A_1951-0099__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.47430087290252,31.761586315441985]}},{"type":"Feature","properties":{"resourceCoords":[567.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.47340109481948,31.762263568221382]}},{"type":"Feature","properties":{"resourceCoords":[567.0,507.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.47269244266552,31.761573305528128]}},{"type":"Feature","properties":{"resourceCoords":[0.0,507.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.47359222074856,31.76089605274873]}}]}}]}